<template>
    <div>
        <!-- 面包屑导航栏 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card>
            <div id="main" style="width: 600px;height:400px;"></div>
        </el-card>
    </div>
</template>
<script>
import Echarts from 'echarts';
export default {
    data(){
        return {
            options: {
                title: {
                text: '用户来源'
                },
                tooltip: {
                trigger: 'axis',
                axisPointer: {
                    type: 'cross',
                    label: {
                    backgroundColor: '#E9EEF3'
                    }
                }
                },
                grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
                },
                xAxis: [
                {
                    boundaryGap: false
                }
                ],
                yAxis: [
                {
                    type: 'value'
                }
                ]
            }
        }
    },
    created(){},
    async mounted(){
        var myChart = Echarts.init(document.getElementById('main'));
        const {data : res} = await this.$http.get('reports/type/1');
        if(res.meta.status != 200) return this.$message.error('获取折线数据失败');
        console.log(res);
        this.option = res.data;
        //将后台获取到的数据合并到options中
        for(var k in res.data){
            this.options[k] = res.data[k];
        }
        myChart.setOption(this.options);
    },
    methods: {

    }
}
</script>
<style lang="less" scoped>
</style>